Cyber Infrastructure Support Security Clearance

Position: Cyber Infrastructure Support with Security Clearance
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- Description Leidos Corporate Information Security team, within the Digital Modernization sector, currently has an opening for a Systems Administrator in our Omaha NE office. This position is an exciting opportunity to use your experience providing advanced computing solutions in a heterogeneous environment.  We use a wide array of Linux and Windows systems in a tightly integrated environment with a focus on security and high performance computing.  

If you want to work in a diverse environment that allows you to get into every aspect of supporting complex computing systems this is a great opportunity! Clearance Requirement:
You must currently hold an active Secret clearance with eligibility to be cleared for Top Secret and Special Access Programs. Primary Responsibilities
* Configuration, setup and maintenance of numerous air-gapped Information Systems (IS) and networks   
* Verify and maintain security configuration of the multiple Information Systems   
* Manage daily break/fix scenarios, updates, backups, monitoring and user management   
* Secure and maintain all components IAW established Security Technical Implementation Guides (STIG) and customer directives   
* Patch and anti-virus definition management   
* Hardware troubleshooting (COTS PC, printer, networks, and encryption hardware)   
* Monitor customer request and tasking to ensure requirements are addressed in a timely manner according to priority   
* Strong desire to adhere to best practices and provide the highest quality of service and support.
Basic Qualifications
* Bachelors’ degree and 2 - 4 years of experience, Associate degree and 4-6 years or High School diploma and 6 or more years of experience may be considered in lieu of degree.
* Current DoD 8140/8570 compliant IA certification for IAT II   (Security+ce or higher)
* Must hold current Secret clearance with eligibility to obtain Top Secret and Special Access Programs clearance.

* Hands-on experience in Linux Server and workstation environments.
* Working knowledge of Windows operating systems.
* Demonstrated understanding of computer network concepts (network hardware, cable management, IP address management)   
* Experience in the design, implementation, and sustainment of Virtualized Machine (VM) architecture   
* Experience with system configuration and apply security controls under Risk Management Framework
* Excellent customer service skills and clear communications both written and oral   
* Comfortable working in an environment without immediate supervision   

Preferred Qualifications
* Experience with container management to include Kubernetes, Podman, and Docker   
* Experience working with cloud systems (Azure, AWS)
* Experience in Widows Server (to include Active Directory) and Window 10 workstation environments   
* Understanding of Special Access Program (SAP) Information Systems (IS) requirements   
* Experience with IS implementation as defined in the Joint Special Access Program Implementation Guide (JSIG)   
* Understanding of Dev Ops best practices and system development lifecycle automation   
* Experience in Kubernetes and other Dev Ops container management methodologies and automation   
* Current experience supporting Special Access Program (SAP) Information Systems (IS)   
* Detailed experience with the Risk Management Framework   
* Experience with NIST 800-53   
* Documented Computing Environment (CE) training   
* Experience in ACAS or Nessus vulnerability scanning   
* Knowledgeable in audit log reduction tools (Graylog or Splunk)   
* Advanced DoDI 8570 certification
* Shell Scripting   
* Windows or Linux Certifications   
* In-depth Hardware Experience   If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting:
November 7, 2025 For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:
Pay Range $69,550.00 - $ The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of…